Ellis, J. S. (1982). The church on purpose: Keys to effective church leadership. Standard publ..
Lua i Stíl Chicago (17ú heag.)Ellis, Joe S. The Church on Purpose: Keys to Effective Church Leadership. Cincinnati: Standard publ., 1982.
Lua MLA (9ú heag.)Ellis, Joe S. The Church on Purpose: Keys to Effective Church Leadership. Standard publ., 1982.
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